CN106108992A - Bone piece extension apparatus - Google Patents
Bone piece extension apparatus Download PDFInfo
- Publication number
- CN106108992A CN106108992A CN201610722035.5A CN201610722035A CN106108992A CN 106108992 A CN106108992 A CN 106108992A CN 201610722035 A CN201610722035 A CN 201610722035A CN 106108992 A CN106108992 A CN 106108992A
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- China
- Prior art keywords
- hole
- extension apparatus
- fixed support
- guide plate
- bone piece
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Classifications
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
- A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like
- A61B17/60—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like for external osteosynthesis, e.g. distractors, contractors
- A61B17/66—Alignment, compression or distraction mechanisms
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
- A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like
- A61B17/60—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like for external osteosynthesis, e.g. distractors, contractors
- A61B17/64—Devices extending alongside the bones to be positioned
- A61B17/6458—Devices extending alongside the bones to be positioned with pin-clamps fixed at ends of connecting element
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
- A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like
- A61B17/60—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like for external osteosynthesis, e.g. distractors, contractors
- A61B17/64—Devices extending alongside the bones to be positioned
- A61B17/6466—Devices extending alongside the bones to be positioned with pin-clamps movable along a solid connecting rod
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
- A61B2017/564—Methods for bone or joint treatment
Abstract
A kind of bone piece extension apparatus, includes extension apparatus fixed support, adjustable drawing-off frame, extension apparatus regulation device, steel needle fixing clamp and Kirschner wire；Described extension apparatus fixed support is provided with manual adjusting nut putting hole and fixed support limiting through hole, and manual adjusting nut putting hole and fixed support limiting through hole cross；Described adjustable drawing-off frame is made up of the first guide plate and the second guide plate, the two ends of described first guide plate and the two ends of described second guide plate are equipped with guide plate through hole, between the guide plate through hole at two ends, are also equipped with length-adjustment holes on described first guide plate and described second guide plate；Described extension apparatus regulation device includes that manual adjusting nut, drawing-off threaded adjusting bar, guiding spindle nose and bolt are paid.Present configuration is novel in design, perfect in shape and function, controllable draw length, angle, yardstick, it is achieved that the three-dimensional adjustment of bone piece extension apparatus, extensively can be used for the horizontal and vertical drawing-off operative treatment of multiple bone by model.
Description
Technical field
The present invention relates to medical instruments field, particularly a kind of bone piece drafting system.
Background technology
China's existing orthopaedics extenal fixation new instruments is developed and is achieved significant progress and development, but bone piece extension apparatus
Research and development there is short slab, mostly existing bone extension apparatus is the longitudinal traction stretcher of bone, does not have bone lateral traction function,
At present, orthopedics circle enriches according to medullary cavity blood fortune and can quickly form the mechanism of neovasculature, sets about having researched and developed bone
Laterally pulled device product, although the structure of some exter-nal fixer has the function of the horizontal drawing-off of bone, but its design imperfection, as
When implementing horizontal drawing-off, because it is all the most supporting that the adjusting nut of pin is fixed in drawing-off, when needing to adjust, can only be one by one to leading
Stretch fixing pin and carry out drawing-off adjustment, operate complex, and cannot synchronization control, and there is also and do not possess angle, width
Adjust function problem, and if when using outer device to be admittedly provided purely for treating bone horizontal drawing-off treatment, there is operation complicated, medical
The shortcoming that cost is high, it is impossible to meet the simple needs that bone is carried out horizontal drawing-off treatment.
Summary of the invention
It is an object of the invention to provide a kind of bone piece extension apparatus, be mainly used in the drawing-off operative treatment horizontal, longitudinal of bone piece,
It is particularly suitable for the horizontal drawing-off operative treatment of bone piece.
The present invention is implemented by below scheme: a kind of bone piece extension apparatus, it is characterised in that: include fixing of extension apparatus
Frame, adjustable drawing-off frame, extension apparatus regulation device, steel needle fixing clamp and Kirschner wire；
Described extension apparatus fixed support is provided with manual adjusting nut putting hole and fixed support limiting through hole, and manually regulates
Nut putting hole and fixed support limiting through hole cross；
Described adjustable drawing-off frame is made up of the first guide plate and the second guide plate, the two ends of described first guide plate and described second
The two ends of guide plate are equipped with guide plate through hole, between the guide plate through hole at two ends, described first guide plate and described second
Length-adjustment holes also it is equipped with on guide plate；
Described extension apparatus regulation device includes manual adjusting nut, drawing-off threaded adjusting bar, guides spindle nose and bolt and pay, described in lead
Stretching threaded adjusting bar to be inserted in fixed support limiting through hole, described manual adjusting nut is located in manual adjusting nut putting hole also
And be threaded on drawing-off threaded adjusting bar, the threaded one end of described guiding spindle nose is connected to drawing-off threaded adjusting bar wherein
On one end, the other end guiding spindle nose is provided with U-shaped connection otic placode, and described bolt is paid and connected otic placode and the first guiding through U-shaped
Guide plate through hole on plate and the second guide plate or length-adjustment holes and then be connected to adjustable drawing-off frame guide on spindle nose；
Described steel needle fixing clamp and Kirschner wire are connected in guide plate through hole and/or length-adjustment holes.
Preferably, the support bracket fastened two ends of described extension apparatus are equipped with fixed support connection through hole.
Preferably, described fixed support connects to connect on through hole steel needle fixing clamp and Kirschner wire.
Preferably, described extension apparatus support bracket fastened two ends end face is equipped with fixed support screwed hole.
Preferably, on described fixed support screwed hole, connection has steel needle fixing clamp and Kirschner wire.
Preferably, this bone piece extension apparatus also includes exter-nal fixer connecting screw, and exter-nal fixer connecting screw passes
Connecting hole on exter-nal fixer is threadeded with the fixed support screwed hole on extension apparatus fixed support, and then leads described
Stretch device fixed support to be connected on exter-nal fixer.
Preferably, the fixed support limiting through hole on described extension apparatus fixed support is provided with a row.
Preferably, the manual adjusting nut putting hole on described extension apparatus fixed support is that a row is spacing with fixed support logical
Fixed support grooved hole one to one, hole.
Preferably, described length-adjustment holes is an elongated guide plate grooved hole.
Preferably, being provided with sliding groove structure between described first guide plate and the second guide plate, the first guide plate and second is led
Mutually slided by sliding groove structure to plate.
Having the beneficial effect that of the invention.
The prominent innovative point of the component design of the present invention is the structure design that multidimensional adjusts, it is achieved that the three of bone piece extension apparatus
Dimension adjusts, and adds new function, such as:
The adjustable drawing-off frame being made up of the first guide plate and the second guide plate not only can be along X-axis (the support bracket fastened axle of extension apparatus
Heart line) direction pulls adjustment length, it is also possible to adjust drawing-off angle, during operation, the guide plate through hole inner by two guide plates
Coincide and make it be connected with guiding spindle nose, being placed in U-shaped and connect in otic placode, according to different parts art bone drawing-off needs, edge
The axial line that bolt is paid rotates the best angle adjusting two guide plates with extension bone, and pays fixing with bolt, effectively protects
Demonstrate,prove drawing-off therapeutic effect.
Drawing-off threaded adjusting bar is connected with fixed support limiting through hole, and manual be arranged in fixed support grooved hole
Adjusting nut 8 is connected, rotate adjust manual adjusting nut 8, make drawing-off threaded adjusting bar 9 along Y-axis (drawing-off threaded adjusting bar
Axial line) direction moves back and forth, and directly drives steel needle fixing clamp and the Kirschner wire synchronization of more than 2 connected on adjustable drawing-off frame
Adjust drawing-off intensity and the position of bone moves yardstick, be of value to and improve the medical effect that medical level acquirement is optimal.
One end of drawing-off threaded adjusting bar is connected with adjustable drawing-off frame by guiding spindle nose, and guiding spindle nose can be at drawing-off spiral shell
Realize 360 ° relative to extension apparatus fixed support on stricture of vagina adjusting rod to rotate, it is achieved that the draw point on adjustable drawing-off frame and adjustable drawing-off frame
Fixation clamp and the multi-angle regulation of Kirschner wire, make the present invention have multi-angle, rotatable, moves up and down multidimensional and adjusts function, this
Kind of function makes the shape of the present invention match with the physiology and appearance of human body limb, and beneficially limbs, skull is moulding, meets the need treated
Want.
Support bracket fastened two end side surface of extension apparatus of the present invention have fixed support screwed hole, and fixed support screwed hole both may be used
To connect steel needle fixing clamp (fixing purl device), it is also possible to be connected with exter-nal fixer by exter-nal fixer connecting screw.
The support bracket fastened two ends of extension apparatus of the present invention have fixed support and connect through hole, and it is permissible that fixed support connects through hole
Connect steel needle fixing clamp and Kirschner wire.
When being fixed on art bone by bone piece extension apparatus, steel needle fixing clamp and Kirschner wire can be connected on fixed support screwed hole
It is fixed, it is possible to connecting connection steel needle fixing clamp and Kirschner wire on through hole at fixed support and be fixed, both both may be used in addition
Individually with being fixed, it is possible to combining to be fixed by both supports each other, so can improve fixing intensity, increase bone
The laterally safety of drawing-off treatment.
Have row's fixed support limiting through hole on the extension apparatus fixed support of the present invention, the most optionally will
Drawing-off threaded adjusting bar, manual adjusting nut are arranged in any fixed support limiting through hole, increase multiple installation site, expand
The drawing-off scope of adjustable drawing-off frame, when horizontal bone drawing-off is treated, is more beneficial for selecting optimal drawing-off fixed position, real
Existing targeted therapy.
It is designed with fixed support grooved hole on the extension apparatus fixed support of the present invention, both facilitates the adjustment of manual adjusting nut
Operation, the lightest support bracket fastened weight of extension apparatus, it is simple to rehabilitation, reduce cost of manufacture simultaneously.
The adjustable drawing-off frame of the present invention is made up of the first guide plate and the second guide plate, and the first guide plate is preferably designed for convex
Shape dovetail groove, the second guide plate is preferably designed for female dovetail groove, is relatively sliding groove structure, can arbitrarily adjust length size full
Foot needs of medical treatment.
The first guide plate in the present invention and the second guide plate two guide plate through holes of each upper design, all can fix many simultaneously
Individual steel needle fixing clamp and Kirschner wire, to meet the needs of the different drawing-off dynamics to bone piece.
The component of the present invention is reasonable in design, existing relative independence, has again the strongest matched swaps, the present invention and mesh
The multiple external fixator configuration of front clinical practice matches, such as: when being used in combination with Combined bone external-fixer, it is only necessary to
By corresponding with the retainer ring on exter-nal fixer for the fixed support screwed hole that has on two ends on extension apparatus fixed support, and use
Exter-nal fixer connecting screw is fixed in the retainer ring of exter-nal fixer, and art bone can carry out horizontal drawing-off, adjusts operation
Very convenient, it is ensured that medical effect.
Bone piece extension apparatus novel in structural design of the present invention, perfect in shape and function, controllable draw length, angle, yardstick, it is achieved that
The three-dimensional adjustment of bone piece extension apparatus, extensively can be used for the horizontal and vertical drawing-off operative treatment of multiple bone by model.
The present invention makes the performance of bone piece extension apparatus newly be promoted, and meets the needs of multiple orthopaedic disease.Expand and lead
Stretch bone piece treatment range of application:
(1) bone horizontal drawing-off function.Referring to carrying out cutting a long bone piece along the longitudinal axis of tibia, application bone piece extension apparatus is by it progressively
Retract, can be used for treating ischemic disease of lower extremity, such as vasculitis etc..Laterally making bone footpath increase after drawing-off bone piece, medullary cavity increases,
Muscle vascular around is also subjected to displacement, and makes the vascular flow amount of generation thrombosis increase, thus improves blood vessel microcirculation, accelerates blood
Pipe regenerates, and effectively treats vascular occlusive conditions.(2) skull drawing-off function.Treat the cerebral hemorrhage because cerebral trauma causes, intracranial
The disease that pressure increases and causes, uses the skull of bone extension apparatus drawing-off focal part can effectively lack the pressure of intracranial, helps
Rehabilitation in other diseases that brain disorder causes.
(3) skin drawing-off function.Skin can be implemented the drawing-off in various directions by bone piece extension apparatus, with reparing skin defect
And wound surface.Can be used for the various types of skin injury of lower limb.In clinical experiment, the multidimensional that the present invention is had adjusts function can
Meet the needs of multiple bone drawing-off treatment, the bone lateral traction apparatus of the three-dimensional regulation and control that the independence that particularly there is presently no uses
In the case of, achieve good clinical effectiveness.
In clinical practice, the present invention has the feature of several functions, both can be used alone, again can be with multiple solid extenal fixation
Device supports the use, easy to operate, reduces medical treatment cost, it is thus achieved that satisfied clinical effectiveness.
The present invention when treating the ischemic diseasess such as infra-popliteal vessels is scorching or for making treatment that bone footpath increases, indulging along tibia
Axle cuts a long bone piece, and bone piece drawing-off is opened by available bone piece extension apparatus, makes bone footpath increase, carries out bone related disease treatment.
The present invention, in the disease treating the cerebral hemorrhage because cerebral trauma causes, intracranial pressure ten increases and causes, uses bone drawing-off
The skull of device drawing-off focal part, can effectively lack the pressure of intracranial, thus improve blood vessel microcirculation, accelerates revascularization,
Effectively treat brain diseases, contribute to the rehabilitation of brain diseases.
Skin can be implemented the drawing-off in various directions by the present invention, with reparing skin defect and wound surface.
Accompanying drawing explanation
The present invention will be further described in detail below in conjunction with the accompanying drawings.
Fig. 1 is fixing that the drawing-off threaded adjusting bar in bone piece extension apparatus is located at extension apparatus fixed support middle position
Structure schematic front view in frame grooved hole and fixed support limiting through hole.
Fig. 2 is the structural upright schematic diagram of the bone piece extension apparatus in Fig. 1.
Fig. 3 is the decomposition texture schematic diagram of the bone piece extension apparatus in Fig. 1.
Fig. 4 is that the drawing-off threaded adjusting bar in bone piece extension apparatus is located at consolidating of extension apparatus fixed support wherein position, side
Structure schematic front view in fixed rack grooved hole and fixed support limiting through hole.
Fig. 5 is the structural representation in the adjustable drawing-off frame rotation transformation direction in the bone piece extension apparatus in Fig. 1.
Fig. 6 is that the present invention applies the schematic diagram on tibia.
Fig. 7 is that the present invention applies on tibia and adjusts the schematic diagram of drawing-off angle of adjustable drawing-off frame.
Fig. 8 is that the present invention applies the schematic diagram on femur.
Fig. 9 is the present invention schematic diagram when skull drawing-off is applied.
Figure 10 be the present invention with exter-nal fixer with the use of schematic diagram.
Reference: 1-extension apparatus fixed support, 2-fixed support connect through hole, 3-fixed support grooved hole, 4-
Fixed support limiting through hole, 5-fixed support screwed hole, 6-steel needle fixing clamp, 7-Kirschner wire, the manual adjusting nut of 8-, 9-
Drawing-off threaded adjusting bar, 10-guide spindle nose, 10.1-U shape connects otic placode, 11-is adjustable drawing-off frame, 12-the first guide plate, 13-the
Two guide plates, 14-bolt are paid, 15-sliding groove structure, 16-guide plate through hole, 17-guide plate grooved hole, 18-extension apparatus regulation and control dress
Put, 19-exter-nal fixer connecting screw, 20-exter-nal fixer.
Detailed description of the invention
Embodiment sees Fig. 1-3, this bone piece extension apparatus, includes extension apparatus fixed support 1, adjustable drawing-off frame 11, leads
Stretch device regulation device 18, steel needle fixing clamp 6 and Kirschner wire 7.Described steel needle fixing clamp 6 and the quantity of Kirschner wire 7 and installation site
Need to arrange according to treatment.
Described extension apparatus fixed support 1 is provided with manual adjusting nut putting hole and fixed support limiting through hole 4, and hands
Dynamic adjusting nut putting hole and fixed support limiting through hole 4 cross.In the present embodiment, it is preferred that described extension apparatus is fixed
Fixed support limiting through hole 4 on support 1 is provided with three, and corresponding manual adjusting nut putting hole is three fixed support grooveds
Hole 3.
In other embodiments, described fixed support limiting through hole 4 can also be 1,2,4,5 or more.
Additionally, described manual adjusting nut putting hole can be corresponding with the quantity of fixed support limiting through hole 4, position 1,2
Individual, 4,5 or more, it is also possible to be designed to a big elongated elongated hole, multiple fixed support limiting through hole 4 all and this
One big elongated elongated hole cross.
Described adjustable drawing-off frame 11 is made up of the first guide plate 12 and the second guide plate 13, the two of described first guide plate 12
End and the two ends of described second guide plate 13 are equipped with guide plate through hole 16, between the guide plate through hole 16 at two ends, described the
Length-adjustment holes also it is equipped with on one guide plate 12 and described second guide plate 13.
In the present embodiment, described length-adjustment holes is preferably an elongated guide plate grooved hole 20.In other embodiments
In, described length-adjustment holes can also be row's circular hole, or the hole of other form.
In the present embodiment, being provided with sliding groove structure 17 between described first guide plate 12 and the second guide plate 13, first guides
Plate 12 is mutually slided by sliding groove structure 17 with the second guide plate 13, thus regulates the length of adjustable drawing-off frame 11.Preferably, institute
Stating sliding groove structure 17 is concave-convex dovetail groove, and wherein the first guide plate 12 is provided with male dovetail groove, and the second guide plate is provided with
Female dovetail groove, with each other as chute, regulates the length of adjustable drawing-off frame 11.In other embodiments, it is also possible to be first to lead
On plate 12, set female dovetail groove, the second guide plate sets male dovetail groove.It addition, sliding groove structure 17 can also select other shape
The chute of formula.
When described adjustable drawing-off frame 11 regulates, unclamp bolt and pay 14, by mutual with the second guide plate 13 for the first guide plate 12
Slid inward is to appropriate length, then it is fixing to pay 14 with bolt；The guide plate through hole 16 of two guide plate the inners coincides and uses spiral shell
Bolt is paid 14 and is fixed, the most adjustable drawing-off frame 11 a length of the longest.
According to treatment needs, described steel needle fixing clamp 6 and Kirschner wire 7 can be connected to the guide plate of two guide plate outer ends
On through hole 16, it is also possible to be connected in length-adjustment holes.Adjustable drawing-off frame 11 can fix multiple steel needle fixing clamp 6 and kirschner simultaneously
Pin 7, to meet the drawing-off dynamics to bone piece.
Described bone piece extension apparatus can pay 14 and the length-adjustment holes adjustable drawing-off frame 11 of regulation according to treatment needs by bolt
Length.
Described extension apparatus regulation device 18 includes manual adjusting nut 8, drawing-off threaded adjusting bar 9, guides spindle nose 10 and spiral shell
Bolt pays 14, and described drawing-off threaded adjusting bar 9 is inserted in fixed support limiting through hole 4, and described manual adjusting nut 8 is located at manually tune
Saving in nut putting hole and be threaded on drawing-off threaded adjusting bar 9, the threaded one end of described guiding spindle nose 10 is connected to
On wherein one end of drawing-off threaded adjusting bar 9, the other end guiding spindle nose 10 is provided with U-shaped connection otic placode 10.1, and described bolt is paid
14 connect the guide plate through hole 16 on otic placode 10.1 and the first guide plate 12 and the second guide plate 13 or length tune through U-shaped
Knothole and then be connected to adjustable drawing-off frame 11 guide on spindle nose 10.
The shape of the shape and size specification of described fixed support limiting through hole 4 and drawing-off threaded adjusting bar 9 and size phase
It coincide, there is spacing and rail effect.Described drawing-off threaded adjusting bar 9, in addition to screw thread, is plane at corresponding positive and negative,
So can ensure that 9 meetings of drawing-off threaded adjusting bar slide axially along fixed support limiting through hole 4, it is impossible to be relatively fixed support spacing
Through hole 4 rotates.
By rotary manual adjusting nut 8 forward or backwards, drawing-off threaded adjusting bar 9 is in fixed support limiting through hole 4
Move up and down, thus can adjust drawing-off distance.
There is internal thread hole one end of described guiding spindle nose 10, guides spindle nose 10 by internal thread hole and drawing-off threaded adjusting bar
9 connect, and thus can realize guiding spindle nose 10 phase counter extensioin threaded adjusting bar 9 and carry out the rotation of 360 °, and then make adjustable drawing-off frame
11 phase counter extensioin threaded adjusting bars 9 carry out the rotation of 360 °, thus ensure to adjust selection drawing-off optimum position.It is to say, ginseng
Seeing Fig. 5, Fig. 9, described bone piece extension apparatus by guiding spindle nose 10, can regulate adjustable drawing-off frame 11 and drawing-off according to treatment needs
Device fixed support 1 antarafacial intersects or antarafacial is vertical.
The other end of described guiding spindle nose 10 is provided with U-shaped and connects otic placode 10.1, and adjustable drawing-off frame 11 pays 14 even by bolt
It is connected on U-shaped to connect on otic placode 10.1, so can finely tune adjustable drawing-off frame 11 and the angle of extension apparatus fixed support 1, make both
Opposing parallel or at a certain angle.It is to say, see Fig. 7, described bone piece extension apparatus can pass through bolt according to treatment needs
Pay 14 and U-shaped connect otic placode 10.1 and regulate the relative angle of adjustable drawing-off frame 11 and extension apparatus fixed support 1, make both relative
Parallel or at a certain angle.
On drawing-off threaded adjusting bar, carry out the rotation of 360 ° by guiding spindle nose, and finely tune adjustable drawing-off frame 11 and lead
Stretch the angle of device fixed support 1, so that bone piece extension apparatus is provided with the adjustable feature of multi-angle.
It is relatively fixed support and realizes 360 ° of rotations with drawing-off threaded adjusting bar, it is achieved that adjustable drawing-off frame and adjustable drawing-off frame
On steel needle fixing clamp and the multi-angle regulation of Kirschner wire, make the present invention have multi-angle, rotatable, move up and down multidimensional and adjust
Function, this function makes the shape of the present invention match with the physiology and appearance of human body limb, and beneficially limbs, skull is moulding, meets
The needs for the treatment of.
Described drawing-off threaded adjusting bar 9 can be arranged on 3 fixed support limits according to treatment needs by described bone piece extension apparatus
In any one in the through hole of position.Such as can be as it is shown in figure 1, that of the centre that is arranged in 3 fixed support limiting through hole
Individual, it is also possible to as shown in Figure 4, it is arranged in 3 fixed support limiting through hole one on keeping to the side.
The two ends of described extension apparatus fixed support 1 are equipped with fixed support and connect through hole 2, can be logical according to treatment needs
Cross fixed support connection through hole 2 and connect steel needle fixing clamp 6 and Kirschner wire 7, it is also possible to according to treatment needs, fixed support connects logical
Steel needle fixing clamp 6 and Kirschner wire 7 it is not connected on hole 2.
It is equipped with fixed support screwed hole 5 on the two ends end face of described extension apparatus fixed support 1.According to treatment needs, institute
State fixed support screwed hole 5 and both can connect steel needle fixing clamp 6 and Kirschner wire 7, it is also possible to join with exter-nal fixer connecting screw
Close.Seeing Figure 10, exter-nal fixer connecting screw 19 passes on the connecting hole on exter-nal fixer 20 and extension apparatus fixed support
Fixed support screwed hole 5 threaded, and then described extension apparatus fixed support 1 is connected on exter-nal fixer 20.
The Main Function of the Kirschner wire 7 connected on described extension apparatus fixed support 1 is that bone piece extension apparatus is fixed on human body
Bone (such as tibia, femur or skull etc.) on.The Main Function of the Kirschner wire 7 connected on adjustable drawing-off frame 11 is fixing bone
Block, carries out horizontal drawing-off to bone piece.
Seeing Fig. 6, Fig. 6 is that the present invention applies the schematic diagram on tibia.Seeing Fig. 7, Fig. 7 is that the present invention applies at tibia
Go up and adjust the schematic diagram of the drawing-off angle of adjustable drawing-off frame.Seeing Fig. 8, Fig. 8 is that the present invention applies the signal on femur
Figure.Seeing Fig. 9, Fig. 9 is the present invention schematic diagram when skull drawing-off is applied.
Described steel needle fixing clamp 6 and Kirschner wire 7 can select existing different types of steel needle fixing clamp and fixing draw point,
Such as screw thread half pin, non-threaded half pin or full pin.
Manual adjusting nut putting hole and the effect of fixed support limiting through hole 4: (1) fixed support limiting through hole 4 is arranged
One row, can be thus that extension apparatus regulation device 18 provides multiple position to select, add the drawing-off model of adjustable drawing-off frame 11
Enclose；(2) manual adjusting nut putting hole contributes to the smooth of manual adjusting nut 8 operation, alleviates fixing of extension apparatus simultaneously
The weight of frame 1, decreases parts friction, it is achieved that achieve many things at one stroke.
The using method of described bone piece extension apparatus, specifically comprises the following steps that
Step one, operation plan according to doctor, position and squeeze into two or many Kirschner wires to stretching bone piece on art bone, and
Connect the adjustable drawing-off frame 11 of fixing bone piece extension apparatus；
Step 2, selected bone piece is carried out osteotomy；
Step 3, squeeze into two to four Kirschner wires 7 in the relevant position of art bone；
The extension apparatus fixed support 1 of bone piece extension apparatus is installed and is fixed on art bone；
Step 4, according to therapeutic scheme, adjust bone piece extension apparatus and the position of bone piece drawing-off, angle, distance implemented drawing-off treatment；
Step 5, reach to expect and remove each component after therapeutic effect, complete bone piece extension apparatus and use.
The present invention carries out the process of horizontal drawing-off operative treatment to bone piece:
Embodiment one
With reference to Fig. 6, administration step is as follows in fact: (1), after determining horizontal drawing-off bone piece, is squeezed into respectively at the two ends up and down of bone piece
The Kirschner wire 7 of a piece horizontal drawing-off, subsequently with osteotomy device to Tibial osteotomy.
(2) according to treatment needs, pay 14 and push-and-pull the first guide plate the 12, second guide plate 13 by unclamping bolt, pass through
Length-adjustment holes adjusts the length of adjustable drawing-off frame 11 and described steel needle fixing clamp 6 and Kirschner wire 7 is connected to two guide plates
On the guide plate through hole 16 of outer end, then it is fixing, to implement the connection of the drawing-off to bone piece to pay 14 with bolt.
(3) and then by adjustable drawing-off frame 11 it is connected to guide on spindle nose 10, guides spindle nose 10 and be connected to drawing-off screw thread tune
On pole 9, drawing-off threaded adjusting bar 9 is inserted in again in fixed support limiting through hole 4, and manual adjusting nut 8 is located at manually tune
Saving in nut putting hole and be threaded on drawing-off threaded adjusting bar 9, the two ends of extension apparatus fixed support 1 are equipped with fixing
Support connects through hole 2, connects through hole 2 by fixed support and connects steel needle fixing clamp 6 and Kirschner wire 7, is fixed on by Kirschner wire 7 and leads
Stretch bone piece lateral of tibia.
(4), hereafter, after combination connects, with the manual adjusting nut 8 in described extension apparatus regulation device 18, bone piece is adjusted
The distance of lateral traction, intensity, by rotary manual adjusting nut 8 forward or backwards, drawing-off threaded adjusting bar 9 is at fixed support
Limiting through hole 4 moves up and down, bone piece is carried out horizontal drawing-off, thus can be with synchronization control drawing-off distance.Laterally drawing-off bone
After block, medullary cavity increases, and muscle vascular around is also subjected to displacement, and makes the vascular flow amount of generation thrombosis increase, thus improves blood
Pipe microcirculation, accelerates blood vessel life, effectively treats vascular occlusive conditions.
(5) remove each component after reaching expection therapeutic effect, complete bone piece extension apparatus and use.
Embodiment two
Fig. 7 is that the present invention applies on tibia and adjusts the schematic diagram of drawing-off angle of adjustable drawing-off frame.
With reference to Fig. 7, by (1) (2) (3) step operation of embodiment one；
(4) after hereafter, combination connects, the other end of described guiding spindle nose 10 is provided with U-shaped connection otic placode 10.1, adjustable drawing-off frame
11 pay 14 by bolt is connected on U-shaped connection otic placode 10.1, so can finely tune fixing with extension apparatus of adjustable drawing-off frame 11
The angle of frame 1, makes both opposing parallel or at a certain angle.It is to say, see Fig. 7, described bone piece extension apparatus can basis
Treatment needs, by bolt pay 14 and U-shaped connect otic placode 10.1 and regulate the phase of adjustable drawing-off frame 11 and extension apparatus fixed support 1
To angle, make both opposing parallel or at a certain angle.Angle by the adjustable drawing-off frame of fine setting 11 with extension apparatus fixed support 1
Degree, so that bone piece extension apparatus more meets physiology and appearance with tibia, coordinating of drawing-off bone piece, is effectively improved drawing-off treatment matter
Amount.
(5) tibia bone piece drawing-off treatment is carried out according to therapeutic scheme.
(6) remove each component after reaching expection therapeutic effect, complete bone piece extension apparatus and use.
Embodiment three
Fig. 8 is that the present invention applies the schematic diagram on femur.
With reference to Fig. 7, by (1) of embodiment one, (2), (3), (4) step operation step, bone piece extension apparatus is arranged on femur
On, and be adjusted correspondingly.
(5) femur bone piece drawing-off treatment is carried out according to therapeutic scheme.
(6) remove each component after reaching expection therapeutic effect, complete bone piece extension apparatus and use.
Embodiment four
Fig. 9 is the present invention schematic diagram when skull drawing-off is applied.
Fig. 5 is the structural representation in the adjustable drawing-off frame rotation transformation direction in the bone piece extension apparatus in Fig. 1.
With reference to Fig. 5 and Fig. 9.
(1) after determining skull horizontal drawing-off bone piece, a horizontal drawing-off kirschner is squeezed into respectively at the two ends up and down of bone piece
Pin 7, subsequently with osteotomy device to skull osteotomy.
(2) according to treatment needs, by unclamp bolt pay 14 and push-and-pull the first guide plate the 12, second guide plate 13 length adjust
Knothole, adjusts the length of drawing-off frame 11 and described steel needle fixing clamp 6 and Kirschner wire 7 is connected to the guiding of two guide plate outer ends
On plate through hole 16, then it is fixing, to implement the connection of the drawing-off to skull bone piece to pay 14 with bolt.
(3) and then by adjustable drawing-off frame 11 being connected to guide on spindle nose 10, the one end guiding spindle nose 10 connects drawing-off screw thread
Adjusting rod 9 upper, the other end of drawing-off threaded adjusting bar 9 is inserted in fixed support limiting through hole 4, and by manual adjusting nut 8
It is located in manual adjusting nut putting hole and is threaded on drawing-off threaded adjusting bar 9, the two ends of extension apparatus fixed support 1
It is equipped with fixed support and connects through hole 2, connect through hole 2 by fixed support and connect steel needle fixing clamp 6 and Kirschner wire 7；
(4) rotate the angle adjusting adjustable drawing-off frame 11 with extension apparatus fixed support 1, guide spindle nose 10 by internal thread hole with
Drawing-off threaded adjusting bar 9 connects, and thus achieves guiding spindle nose 10 phase counter extensioin threaded adjusting bar 9 and carries out the rotation of 360 °,
Behind the position of the most fixedly adjustable drawing-off frame 11, and then make extension apparatus fixed support 1 the most adjustable drawing-off frame 11 and with drawing-off spiral shell
Stricture of vagina adjusting rod 9 carries out the rotation of 360 ° for the center of circle, thus guarantee extension apparatus fixed support 1 is adjusted selection optimum fixation position.
It is to say, see Fig. 5, Fig. 9, described bone piece extension apparatus can regulate adjustable drawing-off according to treatment needs by guiding spindle nose 10
Frame 11 intersects with extension apparatus fixed support 1 antarafacial or antarafacial is vertical.
(5) Kirschner wire 7 is fixed on outside drawing-off bone piece skull.Skull bone piece drawing-off treatment is carried out according to therapeutic scheme.
(6) remove each component after reaching expection therapeutic effect, complete bone piece extension apparatus and use.
The present embodiment has multi-angle, rotatable, moves up and down multidimensional and adjusts function, and this function makes the shape of the present invention
Matching with the physiology and appearance of human skull, beneficially skull is moulding, meets the needs for the treatment of.
Embodiment five
With reference to Figure 10, bone extension apparatus and hole ring type external fixator with the use of time, first by installing hole ring type external fixator, so
Afterwards with reference to the step of embodiment one, successively horizontal extension apparatus is arranged on tibia or femur or humerus, then, by described drawing-off
The two ends end face of device fixed support 1 is provided with fixed support screwed hole 5, and alignment hole ring type external fixator hole ring connects hole
Hole, and by exter-nal fixer connecting screw 19 through the connecting hole on exter-nal fixer 20 and consolidating on extension apparatus fixed support
Fixed rack screwed hole 5 is threaded, and then is connected on exter-nal fixer 20 by described extension apparatus fixed support 1.Combination connects
After Hao, by rotary manual adjusting nut 8 forward or backwards, drawing-off threaded adjusting bar 9 in fixed support limiting through hole 4 on,
Lower movement, thus can synchronize the horizontal drawing-off distance pulling the steel needle fixing clamp on drawing-off frame and Kirschner wire to adjust bone piece.
Laterally after drawing-off bone piece, medullary cavity increases, and muscle vascular around is also subjected to displacement, and makes the vascular flow amount of generation thrombosis increase,
Thus improve blood vessel microcirculation, accelerate angiogenic growth, effectively treat the illness such as vascular occlusion.Bone extension apparatus answering property of adaptation is good, can
With multiple external fixator with the use of time.
Claims (10)
1. a bone piece extension apparatus, it is characterised in that: include extension apparatus fixed support (1), adjustable drawing-off frame (11), extension apparatus
Regulation device (18), steel needle fixing clamp (6) and Kirschner wire (7)；
Described extension apparatus fixed support (1) is provided with manual adjusting nut putting hole and fixed support limiting through hole (4), and hands
Dynamic adjusting nut putting hole and fixed support limiting through hole (4) cross；
Described adjustable drawing-off frame (11) is made up of the first guide plate (12) and the second guide plate (13), described first guide plate (12)
Two ends and the two ends of described second guide plate (13) be equipped with guide plate through hole (16), the guide plate through hole (16) at two ends it
Between, be also equipped with length-adjustment holes on described first guide plate (12) and described second guide plate (13)；
Described extension apparatus regulation device (18) includes manual adjusting nut (8), drawing-off threaded adjusting bar (9), guides spindle nose (10)
Paying (14) with bolt, described drawing-off threaded adjusting bar (9) is inserted in fixed support limiting through hole (4), described manual adjusting nut
(8) it is located in manual adjusting nut putting hole and is threaded in drawing-off threaded adjusting bar (9), described guiding spindle nose (10)
Threaded one end be connected on wherein one end of drawing-off threaded adjusting bar (9), guide spindle nose (10) the other end be provided with U-shaped connect
Otic placode (10.1), described bolt is paid (14) and is connected otic placode (10.1) and the first guide plate (12) and the second guide plate through U-shaped
(13) guide plate through hole (16) on or length-adjustment holes and then be connected to adjustable drawing-off frame (11) guide on spindle nose (10)；
Described steel needle fixing clamp (6) and Kirschner wire (7) are connected in guide plate through hole (16) and/or length-adjustment holes.
Bone piece extension apparatus the most according to claim 1, it is characterised in that: the two ends of described extension apparatus fixed support (1) are equal
It is provided with fixed support and connects through hole (2).
Bone piece extension apparatus the most according to claim 2, it is characterised in that: described fixed support connects the upper connection of through hole (2)
There are steel needle fixing clamp (6) and Kirschner wire (7).
Bone piece extension apparatus the most according to claim 1, it is characterised in that: the two ends end of described extension apparatus fixed support (1)
Fixed support screwed hole (5) it is equipped with on face.
Bone piece extension apparatus the most according to claim 4, it is characterised in that: the upper connection of described fixed support screwed hole (5) has
Steel needle fixing clamp (6) and Kirschner wire (7).
Bone piece extension apparatus the most according to claim 4, it is characterised in that: this bone piece extension apparatus also includes exter-nal fixer
Connecting screw (19), exter-nal fixer connecting screw (19) is fixed through the connecting hole on exter-nal fixer (20) with extension apparatus
Fixed support screwed hole (5) on support is threaded, and then described extension apparatus fixed support (1) is connected to exter-nal fixer
(20) on.
Bone piece extension apparatus the most according to claim 1, it is characterised in that: fixing on described extension apparatus fixed support (1)
Support limiting through hole (4) is provided with a row.
Bone piece extension apparatus the most according to claim 7, it is characterised in that: manual on described extension apparatus fixed support (1)
Adjusting nut putting hole is a row and fixed support limiting through hole (4) fixed support grooved hole (3) one to one.
Bone piece extension apparatus the most according to claim 1, it is characterised in that: described length-adjustment holes is an elongated guiding
Board slot type hole (20).
Bone piece extension apparatus the most according to claim 1, it is characterised in that: described first guide plate (12) guides with second
Being provided with sliding groove structure (17) between plate (13), the first guide plate (12) and the second guide plate (13) are mutual by sliding groove structure (17)
Slide.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610722035.5A CN106108992B (en) | 2016-08-25 | 2016-08-25 | Bone block extension apparatus |
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| CN201610722035.5A CN106108992B (en) | 2016-08-25 | 2016-08-25 | Bone block extension apparatus |
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| CN106108992B CN106108992B (en) | 2018-11-09 |
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| CN106618700A (en) * | 2017-03-03 | 2017-05-10 | 山东航维骨科医疗器械股份有限公司 | Lateral bone block moving device |
| CN108324378A (en) * | 2018-02-11 | 2018-07-27 | 浙江工业大学 | Based on the whole accurate surgery systems of the co-operating craniofacial deformity reduction of major-minor robot and its operation method |
| CN110960312A (en) * | 2019-12-06 | 2020-04-07 | 陈聚伍 | Kirschner wire deviation rectifying system and universal nut adjusting assembly for correcting Kirschner wire deviation |
| CN114176744A (en) * | 2021-11-04 | 2022-03-15 | 金昌� | Universal locking needle quick fracture external fixator |
| WO2024032985A1 (en) | 2022-08-10 | 2024-02-15 | Roman Stauch | Fixing device for transverse bone distraction |
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| CN110960312A (en) * | 2019-12-06 | 2020-04-07 | 陈聚伍 | Kirschner wire deviation rectifying system and universal nut adjusting assembly for correcting Kirschner wire deviation |
| CN114176744A (en) * | 2021-11-04 | 2022-03-15 | 金昌� | Universal locking needle quick fracture external fixator |
| CN114176744B (en) * | 2021-11-04 | 2024-01-16 | 金昌� | Universal lock needle quick fracture external fixator |
| WO2024032985A1 (en) | 2022-08-10 | 2024-02-15 | Roman Stauch | Fixing device for transverse bone distraction |
| DE102022120185A1 (en) | 2022-08-10 | 2024-02-15 | Roman Stauch | Fixation device for transverse bone distraction |
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